KR20140052015A - 규소 분말을 포함하는 조성물 및 규소 분말의 결정성의 제어 방법 - Google Patents
규소 분말을 포함하는 조성물 및 규소 분말의 결정성의 제어 방법 Download PDFInfo
- Publication number
- KR20140052015A KR20140052015A KR1020147006132A KR20147006132A KR20140052015A KR 20140052015 A KR20140052015 A KR 20140052015A KR 1020147006132 A KR1020147006132 A KR 1020147006132A KR 20147006132 A KR20147006132 A KR 20147006132A KR 20140052015 A KR20140052015 A KR 20140052015A
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- South Korea
- Prior art keywords
- silicon
- electrode
- reactor
- crystalline
- silicon powder
- Prior art date
Links
- 239000011863 silicon-based powder Substances 0.000 title claims abstract description 141
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 97
- 239000000203 mixture Substances 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 127
- 229910021419 crystalline silicon Inorganic materials 0.000 claims abstract description 89
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910000077 silane Inorganic materials 0.000 claims abstract description 70
- 229910021417 amorphous silicon Inorganic materials 0.000 claims abstract description 58
- 230000001351 cycling effect Effects 0.000 claims abstract description 19
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 239000011149 active material Substances 0.000 claims abstract description 11
- 239000012159 carrier gas Substances 0.000 claims abstract description 10
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 82
- 229910052786 argon Inorganic materials 0.000 claims description 41
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 27
- 239000001257 hydrogen Substances 0.000 claims description 20
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- 239000002245 particle Substances 0.000 claims description 20
- 239000000843 powder Substances 0.000 claims description 20
- 239000011164 primary particle Substances 0.000 claims description 13
- 239000001307 helium Substances 0.000 claims description 10
- 229910052734 helium Inorganic materials 0.000 claims description 10
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
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- 229910001416 lithium ion Inorganic materials 0.000 description 18
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 17
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- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 14
- 229910052710 silicon Inorganic materials 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- 229910052744 lithium Inorganic materials 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 239000011889 copper foil Substances 0.000 description 11
- 239000003792 electrolyte Substances 0.000 description 11
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 10
- 229910013870 LiPF 6 Inorganic materials 0.000 description 10
- 229910001026 inconel Inorganic materials 0.000 description 10
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000001878 scanning electron micrograph Methods 0.000 description 7
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- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 5
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- 241000894007 species Species 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
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- 150000002431 hydrogen Chemical class 0.000 description 3
- 230000000977 initiatory effect Effects 0.000 description 3
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005004 MAS NMR spectroscopy Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 2
- 238000000149 argon plasma sintering Methods 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
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- 239000010406 cathode material Substances 0.000 description 2
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- 229910021642 ultra pure water Inorganic materials 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004400 29Si cross polarisation magic angle spinning Methods 0.000 description 1
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 description 1
- 238000004438 BET method Methods 0.000 description 1
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- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 238000013459 approach Methods 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
- H01M4/1395—Processes of manufacture of electrodes based on metals, Si or alloys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Silicon Compounds (AREA)
- Battery Electrode And Active Subsutance (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161523658P | 2011-08-15 | 2011-08-15 | |
| US61/523,658 | 2011-08-15 | ||
| PCT/US2012/050779 WO2013025707A1 (fr) | 2011-08-15 | 2012-08-14 | Composition d'électrode comprenant une poudre de silicium et procédé permettant de contrôler la cristallinité d'une poudre de silicium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20140052015A true KR20140052015A (ko) | 2014-05-02 |
Family
ID=46724659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020147006132A KR20140052015A (ko) | 2011-08-15 | 2012-08-14 | 규소 분말을 포함하는 조성물 및 규소 분말의 결정성의 제어 방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140220347A1 (fr) |
| EP (1) | EP2745341A1 (fr) |
| JP (1) | JP2014528893A (fr) |
| KR (1) | KR20140052015A (fr) |
| TW (1) | TW201316597A (fr) |
| WO (1) | WO2013025707A1 (fr) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20150006703A (ko) * | 2013-07-09 | 2015-01-19 | 삼성정밀화학 주식회사 | 리튬이차전지용 음극 활물질, 이를 포함하는 음극용 조성물 및 리튬이차전지 |
| JP6338840B2 (ja) * | 2013-10-07 | 2018-06-06 | 古河機械金属株式会社 | リチウムイオン電池用負極材料、リチウムイオン電池用負極、およびリチウムイオン電池 |
| TWI627785B (zh) * | 2013-10-31 | 2018-06-21 | Ｌｇ化學股份有限公司 | 用於鋰二次電池之陽極活性材料及其製備方法 |
| JP5858297B2 (ja) * | 2013-11-05 | 2016-02-10 | 株式会社豊田自動織機 | 負極活物質及び蓄電装置 |
| KR102176590B1 (ko) * | 2013-12-30 | 2020-11-09 | 삼성전자주식회사 | 리튬 이차전지용 음극 활물질의 제조방법 및 리튬 이차전지 |
| US10446838B2 (en) | 2014-01-31 | 2019-10-15 | Kabushiki Kaisha Toyota Jidoshokki | Negative electrode for nonaqueous secondary battery and nonaqueous secondary battery, negative electrode active material and method for producing same, complex including nano silicon, carbon layer, and cationic polymer layer, and method for producing complex formed of nano silicon and carbon layer |
| CN103936009B (zh) * | 2014-04-21 | 2015-12-30 | 浙江中宁硅业有限公司 | 一种硅烷热分解生产纳米级高纯硅粉的装置及方法 |
| EP3025702A1 (fr) * | 2014-11-28 | 2016-06-01 | Evonik Degussa GmbH | Poudre de silicium ultra-pure amorphe, son procédé de fabrication et son utilisation |
| US20160156031A1 (en) * | 2014-11-28 | 2016-06-02 | Samsung Electronics Co., Ltd. | Anode active material for lithium secondary battery and lithium secondary battery including the anode active material |
| EP3025699A1 (fr) * | 2014-11-28 | 2016-06-01 | Evonik Degussa GmbH | Utilisation de particules contenant du silicium pour protéger des matériaux techniques contre le rayonnement UV |
| JP2016219354A (ja) * | 2015-05-25 | 2016-12-22 | 株式会社豊田自動織機 | 結晶性シリコン粉末及び非晶質シリコン粉末を具備する負極 |
| JP6460960B2 (ja) | 2015-11-18 | 2019-01-30 | 信越化学工業株式会社 | 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法 |
| KR102401839B1 (ko) * | 2017-07-21 | 2022-05-25 | 에스케이온 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차 전지 |
| JP7396009B2 (ja) | 2019-12-10 | 2023-12-12 | 三菱マテリアル株式会社 | シリコン微粒子及びその製造方法 |
| CN111613796B (zh) * | 2020-05-21 | 2022-07-26 | 芜湖天弋能源科技有限公司 | 负应变材料包覆硅碳的负极材料及其制备方法、锂离子电池 |
| CN113213483B (zh) * | 2021-04-14 | 2022-07-19 | 三峡大学 | 一种用于锂离子电池负极材料的非晶硅粉制备方法 |
| GB2623961A (en) * | 2022-10-31 | 2024-05-08 | Nexeon Ltd | Electroactive composite particles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7498100B2 (en) * | 2003-08-08 | 2009-03-03 | 3M Innovative Properties Company | Multi-phase, silicon-containing electrode for a lithium-ion battery |
| JP2005129437A (ja) * | 2003-10-27 | 2005-05-19 | Canon Inc | 非水電解質二次電池用電極構造体及びその製造方法、前記電極構造体を備えた非水電解質二次電池及びその製造方法 |
| GB0713895D0 (en) * | 2007-07-17 | 2007-08-29 | Nexeon Ltd | Production |
| JP5315665B2 (ja) * | 2007-10-31 | 2013-10-16 | ソニー株式会社 | リチウムイオン二次電池用負極およびリチウムイオン二次電池 |
| US20090186267A1 (en) * | 2008-01-23 | 2009-07-23 | Tiegs Terry N | Porous silicon particulates for lithium batteries |
| GB2464158B (en) * | 2008-10-10 | 2011-04-20 | Nexeon Ltd | A method of fabricating structured particles composed of silicon or a silicon-based material and their use in lithium rechargeable batteries |
-
2012
- 2012-08-14 EP EP12750677.2A patent/EP2745341A1/fr not_active Withdrawn
- 2012-08-14 US US14/238,788 patent/US20140220347A1/en not_active Abandoned
- 2012-08-14 WO PCT/US2012/050779 patent/WO2013025707A1/fr active Application Filing
- 2012-08-14 JP JP2014526128A patent/JP2014528893A/ja active Pending
- 2012-08-14 KR KR1020147006132A patent/KR20140052015A/ko not_active Application Discontinuation
- 2012-08-15 TW TW101129633A patent/TW201316597A/zh unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP2745341A1 (fr) | 2014-06-25 |
| WO2013025707A1 (fr) | 2013-02-21 |
| JP2014528893A (ja) | 2014-10-30 |
| TW201316597A (zh) | 2013-04-16 |
| US20140220347A1 (en) | 2014-08-07 |
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